Poll AccuracyHost Howard Berkes talks to Robert Blendon of Harvard's Kennedy School of Government about the accuracy and meaning of polls. Blendon says the farther away from an election, the less accurate the poll. He also says that respondents are reluctant to admit they won't vote for candidates from minority groups.

Poll Accuracy

Poll Accuracy

Poll Accuracy

Host Howard Berkes talks to Robert Blendon of Harvard's Kennedy School of Government about the accuracy and meaning of polls. Blendon says the farther away from an election, the less accurate the poll. He also says that respondents are reluctant to admit they won't vote for candidates from minority groups.